On the Angular team, we believe testing is critical to build highly complex and scalable applications effectively. Testing takes many forms, and “unit tests” focus on testing the smallest units of a codebase. For Angular applications, this typically includes tests of individual components or services. We regularly survey Angular developers to make sure we are always providing the best experience,
![Moving Angular CLI to Jest and Web Test Runner](https://cdn-ak-scissors.b.st-hatena.com/image/square/ab58402f0fcea69a03b7befbdec05136cd2b4433/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A1200%2F1%2A7xsEVBlbtN6eqS6o6UJyAw.png)